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https://issues.apache.org/jira/browse/HADOOP-18216?focusedWorklogId=760870&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-760870
]
ASF GitHub Bot logged work on HADOOP-18216:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 22/Apr/22 15:14
Start Date: 22/Apr/22 15:14
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on PR #4220:
URL: https://github.com/apache/hadoop/pull/4220#issuecomment-1106613650
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 17m 57s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 0s | | codespell was not available. |
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
any @author tags. |
| -1 :x: | test4tests | 0m 0s | | The patch doesn't appear to include
any new or modified tests. Please justify why no new tests are needed for this
patch. Also please list what manual steps were performed to verify this patch.
|
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 41m 57s | | trunk passed |
| +1 :green_heart: | compile | 25m 27s | | trunk passed with JDK
Ubuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | compile | 21m 48s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | mvnsite | 1m 59s | | trunk passed |
| -1 :x: | javadoc | 1m 38s |
[/branch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4220/1/artifact/out/branch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04.txt)
| hadoop-common in trunk failed with JDK
Ubuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04. |
| +1 :green_heart: | javadoc | 1m 57s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | shadedclient | 118m 54s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 4s | | the patch passed |
| +1 :green_heart: | compile | 24m 12s | | the patch passed with JDK
Ubuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javac | 24m 12s | | the patch passed |
| +1 :green_heart: | compile | 21m 39s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | javac | 21m 39s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | mvnsite | 1m 56s | | the patch passed |
| +1 :green_heart: | xml | 0m 1s | | The patch has no ill-formed XML
file. |
| -1 :x: | javadoc | 1m 25s |
[/patch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4220/1/artifact/out/patch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04.txt)
| hadoop-common in the patch failed with JDK
Ubuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04. |
| +1 :green_heart: | javadoc | 1m 59s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | shadedclient | 29m 58s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 18m 6s | | hadoop-common in the patch
passed. |
| +1 :green_heart: | asflicense | 1m 17s | | The patch does not
generate ASF License warnings. |
| | | 237m 8s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4220/1/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/4220 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient codespell xml |
| uname | Linux cd38ea83ff44 4.15.0-166-generic #174-Ubuntu SMP Wed Dec 8
19:07:44 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / bdda7f15dd84ded33107ed96247116f1667cdd00 |
| Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.14.1+1-Ubuntu-0ubuntu1.20.04
/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4220/1/testReport/ |
| Max. process+thread count | 1260 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4220/1/console |
| versions | git=2.25.1 maven=3.6.3 |
| Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
This message was automatically generated.
Issue Time Tracking
-------------------
Worklog Id: (was: 760870)
Time Spent: 20m (was: 10m)
> Ensure "io.file.buffer.size" is greater than zero. Otherwise, it will lead to
> data read/write blockage
> ------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-18216
> URL: https://issues.apache.org/jira/browse/HADOOP-18216
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Jingxuan Fu
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> when the configuration file in the "io.file.buffer.size" field is set to a
> value less than or equal to zero, hdfs can start normally, but read and write
> data will have problems.
> When the value is less than zero, the shell will throw the following
> exception:
> {code:java}
> hadoop@ljq1:~/hadoop-3.1.3-work/bin$ ./hdfs dfs -cat mapred
> -cat: Fatal internal error
> java.lang.NegativeArraySizeException: -4096
> at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:93)
> at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:68)
> at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:129)
> at
> org.apache.hadoop.fs.shell.Display$Cat.printToStdout(Display.java:101)
> at org.apache.hadoop.fs.shell.Display$Cat.processPath(Display.java:96)
> at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:331)
> at
> org.apache.hadoop.fs.shell.Command.processPathArgument(Command.java:303)
> at
> org.apache.hadoop.fs.shell.Command.processArgument(Command.java:285)
> at
> org.apache.hadoop.fs.shell.Command.processArguments(Command.java:269)
> at
> org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:120)
> at org.apache.hadoop.fs.shell.Command.run(Command.java:176)
> at org.apache.hadoop.fs.FsShell.run(FsShell.java:328)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
> at org.apache.hadoop.fs.FsShell.main(FsShell.java:391){code}
> When the value is equal to zero, the shell command will always block
> {code:java}
> hadoop@ljq1:~/hadoop-3.1.3-work/bin$ ./hdfs dfs -cat mapred
> ^Z
> [2]+ Stopped ./hdfs dfs -cat mapred{code}
> The description of the configuration file is not clear enough, it may make
> people think that set to 0 to enter the non-blocking mode.
>
> {code:java}
> <property>
> <name>io.file.buffer.size</name>
> <value>4096</value>
> <description>The size of buffer for use in sequence files.
> The size of this buffer should probably be a multiple of hardware
> page size (4096 on Intel x86), and it determines how much data is
> buffered during read and write operations.</description>
> </property>{code}
>
> Considering that this value is uesd by hdfs and mapreduce frequently, we
> should make this value must be a number greater than zero.
>
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